-
4101
Exact controllability for systems describing plate vibrations. A perturbation approach
Published 2024-05-01“…We also discuss the possible application of the methods in this paper to systems described by Schrödinger type equations on manifolds or by the related Berger’s nonlinear plate equation.…”
Get full text
Article -
4102
Association between the systemic immunity-inflammation index and stroke: a population-based study from NHANES (2015–2020)
Published 2025-01-01“…Moreover, we found an nonlinear relationship between SII and stroke with an inflection point of 740 (1,000 cells /µl) by using a two-segment linear regression model. …”
Get full text
Article -
4103
A New Mathematical Model for Cell Layout Problem considering Rotation of Unequal Dimensions of Cells and Machines
Published 2024-01-01“…For this purpose, a mixed nonlinear programming model was developed to solve the CLP with the minimum cost of intracellular and intercellular material flows. …”
Get full text
Article -
4104
Effect of the Preexisting Fissure with Different Fillings in PMMA on Blast-Induced Crack Propagation
Published 2018-01-01“…The experiment of explosive loading was carried out by a single detonator, and the dynamic crack propagation process of the experimental specimens was simulated by nonlinear dynamics software AUTODYN. The results show that the blast-induced cracks are the most favorable and unfavorable to propagate when θ = 0° and θ = 45°, respectively. …”
Get full text
Article -
4105
Triglyceride-glucose index in predicting the risk of new-onset diabetes in the general population aged 45 years and older: a national prospective cohort study
Published 2025-01-01“…In addition, there was a nonlinear relationship between TyG index and diabetes. …”
Get full text
Article -
4106
Visual-inertial navigation assisted by a single UWB anchor with an unknown position
Published 2025-01-01“…To accurately and rapidly estimate the UWB anchor positions, we employed the robust ridge nonlinear least-squares method to improve the accuracy and reliability of the estimated UWB anchor position. …”
Get full text
Article -
4107
The Optimization Model for Reducing RON Loss in Gasoline Refining Process
Published 2021-01-01“…We convert the problem into linear and nonlinear model variable optimization problems: the linear model is the variable selected by the SVR linear kernel function model and random forest; the nonlinear model is the combination of variables selected by the random forest model and random forest. …”
Get full text
Article -
4108
Credit Rating Model of Small Enterprises Based on Optimal Discriminant Ability and Its Empirical Study
Published 2021-01-01“…Based on this principle, a nonlinear optimization model for credit rating division of small enterprises is built, and the approximate solution of the model is solved by a recursive algorithm with strong reproducibility and clear structure. …”
Get full text
Article -
4109
The relationship between the atherogenic index of plasma and postoperative myocardial injury following non-cardiac surgery under general anaesthesia: a retrospective cohort study
Published 2025-02-01“…Restricted cubic splines (RCS) were used to explore the potential nonlinear relationship between AIP and MINS. Logistic regression analysis was conducted to examine the association of AIP with MINS. …”
Get full text
Article -
4110
Study on the load-supporting characteristic of the new type of support disc-type anchor under cyclic loading test
Published 2025-01-01“…A functional model predicts the bearing capacity of the new type of support disc-type anchors through nonlinear fitting of the data, validating the model against measured results. …”
Get full text
Article -
4111
In-Line and Cross-Flow Coupling Vibration Response Characteristics of a Marine Viscoelastic Riser Subjected to Two-Phase Internal Flow
Published 2021-01-01“…This paper studies the in-line and cross-flow coupling vibration response characteristics of a marine viscoelastic riser subjected to two-phase internal flow and affected by the combined effects of several parameters including the volume fraction of gas phase, sea water flow velocity, viscoelastic coefficient of the marine riser, axial tension amplitude, and the in-line and cross-flow coupling effect taking into account both the geometric and hydrodynamic nonlinearities. On the base of extended Hamilton’s principle for open systems, the dynamic equations of the marine viscoelastic riser subjected to the axial tension and gas-liquid-structure interaction are established. …”
Get full text
Article -
4112
Influence of Cord Parameters on the Load Characteristics of Airbags
Published 2021-01-01“…To accurately characterize the large deformation and nonlinear characteristics of airbags, the influence of cord parameters on vertical force characteristics was studied, and a finite-element simulation model of airbags based on gas-solid coupling was established. …”
Get full text
Article -
4113
TDCN: A novel temporal depthwise convolutional network for short-term load forecasting
Published 2025-04-01“…However, with the growing integration of renewable energy sources like wind power and photovoltaics, load data have become increasingly complex and nonlinear, making accurate forecasting a challenging task in modern power systems. …”
Get full text
Article -
4114
Documentation of lead exposure-associated comorbidity among 4538 workers in China
Published 2025-01-01“…The RCS curve analysis revealed a nonlinear relationship between BLC and risk of comorbidity (p-overall < 0.001, and p-nonlinear < 0.001). …”
Get full text
Article -
4115
Exposure to specific polyfluoroalkyl chemicals is associated with cardiovascular disease in US adults: a population-based study
Published 2025-01-01“…Generalized additive model (GAM) was used for evaluating nonlinear relationships. Subgroup analyses were conducted to explore interaction effects. …”
Get full text
Article -
4116
Hopf Bifurcation and Control of Magnetic Bearing System with Uncertain Parameter
Published 2019-01-01“…Finally, a hybrid feedback control method (linear feedback control method combined with nonlinear stochastic feedback control method) is introduced to control the Hopf bifurcation behavior of the magnetic bearing system.…”
Get full text
Article -
4117
Comparison of Different Analytic Solutions to Axisymmetric Squeezing Fluid Flow between Two Infinite Parallel Plates with Slip Boundary Conditions
Published 2012-01-01“…We investigate squeezing flow between two large parallel plates by transforming the basic governing equations of the first grade fluid to an ordinary nonlinear differential equation using the stream functions ur(r,z,t)=(1/r)(∂ψ/∂z) and uz(r,z,t)=−(1/r)(∂ψ/∂r) and a transformation ψ(r,z)=r2F(z). …”
Get full text
Article -
4118
Characterization of Polymer Surfaces by the Use of Different Wetting Theories Regarding Acid-Base Properties
Published 2017-01-01“…Striving for a better understanding of the adhesive polymer interactions in adhesively joined polymers, the methods of Berger and van Oss-Chaudhury-Good were found as the most suitable methods for the investigation of wetting on solid polymer surfaces. Methods of nonlinear systems by Della Volpe and Siboni were adapted and evaluated on plastic surfaces. …”
Get full text
Article -
4119
A Self-Adaptive Technique for Solving Variational Inequalities: A New Approach to the Problem
Published 2022-01-01“…Modification is done by using the self-adaptive technique that provides the basis for predicting a new predictor-corrector self-adaptive for solving nonlinear variational inequalities. The motivation of the presented study is to provide a meaningful extension to existing knowledge through convergence at mild conditions. …”
Get full text
Article -
4120
Dirichlet Type Problem for 2D Quaternionic Time-Harmonic Maxwell System in Fractal Domains
Published 2020-01-01“…Our technique of proofs is based on the intimate relations between solutions of time-harmonic Maxwell system and those of the Dirac equation through some nonlinear equations, when both cases are reformulated in quaternionic forms.…”
Get full text
Article